11780020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{84143}}^1$

素因数の和:84159

約数の個数: 24

約数和(自身を含む): 28272384

約数和(自身を除く): 16492364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 84143, 168286, 336572, 420715, 589001, 841430, 1178002, 1682860, 2356004, 2945005, 5890010, 11780020]

約数ペア:

[(1, 11780020), (2, 5890010), (4, 2945005), (5, 2356004), (7, 1682860), (10, 1178002), (14, 841430), (20, 589001), (28, 420715), (35, 336572), (70, 168286), (140, 84143)]